The major European ports of departure in the nineteenth century included Liverpool, LeHavre, Bremen, Hamburg, and Antwerp. Most emigrants after 1880 came through Bremen, Hamburg, LeHavre, Liverpool, Naples, Rotterdam, and Trieste. Some countries kept records of their emigrantsLook this term up in the glossary. (individuals leaving the country). For example, the Family History Library has the Hamburg passenger lists and indexes:

Emigration lists compiled by the Copenhagen Police from 1869 to 1940 give the name, last residence, age, year of emigration and first destination of the emigrant from Denmark. The records are made available for the years 1869 to 1908 (394.000 emigrants) in the Danish Emigration Database at the Danish Emigration Archives.